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The results indicate that there are chitinase-producing strains in farming water and digestion guts of the abalone.

结果表明,在鲍鱼肠道及其养殖水体中均存在有能分泌几丁质酶的微生物。

An epidermal layer of cells that secretes an overlying chitinous cuticle,as in arthropod s.

分泌几丁质的细胞皮下细胞层,比层细胞隐匿一层全面覆盖的分泌几丁质的角质层,与类人猿中的情形一样

An epidermal layer of cells that secretes an overlying chitinous cuticle ,as in arthropods.

分泌几丁质的细胞皮下细胞层,比层细胞隐匿一层全面覆盖的分泌几丁质的角质层,与类人猿中的情形一样

The location and structures of sex-pheromone-producing gland in female H.insularis were studied by EAG,GC,SEM,and TEM.These studies showed that thegland situate in the intersegmental membrane between the eighth and ninthabdominal segments,and is an eversible abdominal fold;Many plump cones disturbon the surface of the gland.The glandular cells of 2-day old virgin female H.insularis are arranged in one layer,among which the central cells are columnarepithelial cells and flat on two sides.The nucleus is irregular elliptical.There isevident conjugation between cells and the involution is more in the basal membraneof cell.Microvilli are distributed on the cytoplasmic membrane and linked withendocuticle on which there are many layers of chitin,and the outer cuticule is staineddeeper.The cell contains bubbles,mitochondria,glycogen deposits,roughendoplasmic reticulum and smooth endoplasmic reticulum.

结合触角电位、毛细管气相色谱、扫描电镜、透视电镜等技术对小线角木蠹蛾雌蛾腹尖末端不同组织部位提取物的测定分析以及腺体位置和形态结构的观察发现:小线角木蠹蛾性信息素分泌腺位于腹部末端8~9节之间,是一个由节间膜特化而成的上皮结构,为一可外翻的腹褶,腺体表面分布着饱满的锥形体,羽化后2天未交尾的雌蛾腺体细胞呈单层排列,腹面中央由密集的柱形上皮细胞组成,细胞排列向两侧延伸至背部,其形状由柱形逐渐变为扁平形,细胞核为椭圆形,细胞与细胞间有明显的胞连接,细胞基底膜基褶较多,质膜上分布着微绒毛,并与内表皮连接,内表皮上有多层几丁质,外角质层染色较深,细胞质中含有空泡、线粒体、脂质粒、粗面内质网和光面内质网。

An amount of psychrophilic bacteria was isolated from deep sea sediment collected from Prydz Bay, Antarctica. The strain AC167, which showed high cold-active chitinase activity, was screened from these bacteria. It was identified as a Pseudomonas species by 16S rDNA sequence comparison.

从南极普里兹湾深海底泥样品中分离得到一批嗜冷细菌,对这些嗜冷细菌进行了产几丁质酶菌株的筛选,对其中一株具有较高产酶活性的菌株AC167所分泌的几丁质酶进行了性质分析,并通过16S rDNA序列分析进行了菌株的分子鉴定。

Finally, wetested its antibacterial activities by E.coli and S.aureus.Methods In this research, the recombinded gene was cloned into the secretion vector pTYB12 and expressed in the E.coli BL21DE3. We did the preliminary research on secretion-expression of the gene. During the purification procedure, we used the chintin beads to wash off the sundry protein, then dialysed the collecting liquid to get rid of the salinity and the other small molecular peptides.

将上述重组基因抗菌肽的氨基酸片段克隆并拼接到分泌表达载体pTYB12上转染大肠杆菌(E.coli BL21DE3)后进行分泌表达,破碎离心收集的诱导表达大肠杆菌,首次应用几丁质珠柱分离纯化系统进行分离纯化,分离洗脱杂蛋白后透析去除盐类物质及其它小分子肽,得到目的重组基因抗菌肽。

推荐网络例句

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。